Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
8DescriptionCVE.org
A vulnerability was detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Remote code execution in H3C Magic B1 router firmware versions up to 100R004 allows authenticated attackers to trigger a buffer overflow in the SetMobileAPInfoById function via crafted HTTP requests to /goform/aspForm. CVSS:4.0 rated 7.4 (High) with confirmed publicly available exploit code on GitHub. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires low-privileged authentication (PR:L from CVSS vector) to the H3C Magic B1 web management interface - attacker must possess valid router login credentials before exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is ELEVATED. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies H3C Magic B1 routers exposed on the internet through Shodan or Censys searches targeting characteristic HTTP response signatures. Using credentials obtained via default password lists, brute force, or credential stuffing databases, the attacker authenticates to the web management interface. … |
| Remediation | No vendor-released patch identified at time of analysis - H3C did not respond to vulnerability disclosure per VulDB report (https://vuldb.com/vuln/358216). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all H3C Magic B1 routers running firmware 100R004 or earlier in your environment and disable remote management access; segment affected devices from critical network zones. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-23716
GHSA-wg8p-6252-5cpj